How do I apply the 'toupper' to capitalize the first word?

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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <ctype.h>
#include <string.h>

int main (void)
{
char *article[5] = {"the", "a", "one", "some", "any"};
char *noun[5] = {"boy", "girl", "dog", "town", "car"};
char *verb[5] = {"drove", "jumped", "ran", "walked", "skipped"};
char *preposition[5] = {"to", "from", "over", "under", "on"};
char sentence[30];


int choice,i,a,a2,n,n2,v,p;
srand(time(NULL));

for(i=0;i<20;i++)
{
sentence[0] = '\0';
a = rand()%5;
n = rand()%5;
v = rand()%5;
p = rand()%5;
a2 = rand()%5;
n2 = rand()%5;

strcat(sentence, article[a]);
strcat(sentence, " ");
strcat(sentence, noun[n]);
strcat(sentence, " ");
strcat(sentence, verb[v]);
strcat(sentence, " ");
strcat(sentence, preposition[p]);
strcat(sentence, " ");
strcat(sentence, article[a2]);
strcat(sentence, " ");
strcat(sentence, noun[n2]);
strcat(sentence, ".\n");


printf ("%c");
}



system("PAUSE");
return 0;
}

re: How do I apply the 'toupper' to capitalize the first word?

Apply it to sentence[0], that is the first letter of the first word in this case.

re: How do I apply the 'toupper' to capitalize the first word?

toupper() converts only one character to upper case. You will need to apply it to all elements of the word.

re: How do I apply the 'toupper' to capitalize the first word?

I suppise the goal is to get a proper English sentence, where the first letter of the first word is capitalized.